Do you want to take a screenshot of multiple websites at a time in order to save up some of your valuable time? Check out Grab Them All a firefox Addon which should be installed on your browser to get started. Its a very good tool when you want to take screenshots of multiple URL at once instead of doing it one by one.

Once installed you need to visit View > Toolbars > Customize. Select the GTA icon and drop it on your browser’s toolbar section. Once you click on this you will be shown a Grab Them All Run! section with different options which you need to set to get started.

You need to make a notepad txt file with a list of all the websites whose screenshot you want to take and save it on your computer and click on the tool of Grab Them All and select the file from the options. Then select the location where you want to save the screenshots to which can be any folder on your computer. Once you click on Run all the screenshots would be taken one by one with the website being loaded on the toolbar window first and then saved to your computer.